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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
5
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pubmed:dateCreated |
2010-3-9
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pubmed:abstractText |
Angelman Syndrome is a debilitating neurological disorder caused by mutation of the E3 ubiquitin ligase Ube3A, a gene whose mutation has also recently been associated with autism spectrum disorders (ASDs). The function of Ube3A during nervous system development and how Ube3A mutations give rise to cognitive impairment in individuals with Angleman Syndrome and ASDs are not clear. We report here that experience-driven neuronal activity induces Ube3A transcription and that Ube3A then regulates excitatory synapse development by controlling the degradation of Arc, a synaptic protein that promotes the internalization of the AMPA subtype of glutamate receptors. We find that disruption of Ube3A function in neurons leads to an increase in Arc expression and a concomitant decrease in the number of AMPA receptors at excitatory synapses. We propose that this deregulation of AMPA receptor expression at synapses may contribute to the cognitive dysfunction that occurs in Angelman Syndrome and possibly other ASDs.
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pubmed:grant |
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/20211139-10373495,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/20211139-9808466
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
1097-4172
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pubmed:author |
pubmed-author:BloodgoodBrenda LBL,
pubmed-author:ChowdhuryShoaibS,
pubmed-author:FlavellSteven WSW,
pubmed-author:GreenbergMichael EME,
pubmed-author:GreerPaul LPL,
pubmed-author:GriffithEric CEC,
pubmed-author:HanayamaRikinariR,
pubmed-author:KimTae-KyungTK,
pubmed-author:LiptonDavid MDM,
pubmed-author:MaehrReneR,
pubmed-author:MardinlyAlan RAR,
pubmed-author:PloeghHidde LHL,
pubmed-author:SteenJudithJ,
pubmed-author:WaldonZacharyZ,
pubmed-author:WorleyPaul FPF
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pubmed:copyrightInfo |
(c) 2010 Elsevier Inc. All rights reserved.
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pubmed:issnType |
Electronic
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pubmed:day |
5
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pubmed:volume |
140
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
704-16
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pubmed:dateRevised |
2011-7-26
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pubmed:meshHeading |
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